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/**
* @file prf.c
*
* @brief Generic constructor for all prf_t
*
*/
/*
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "prf.h"
#include <crypto/hashers/hasher.h>
#include <crypto/prfs/hmac_prf.h>
/**
* String mappings for encryption_algorithm_t.
*/
mapping_t pseudo_random_function_m[] = {
{PRF_UNDEFINED, "PRF_UNDEFINED"},
{PRF_HMAC_MD5, "PRF_HMAC_MD5"},
{PRF_HMAC_SHA1, "PRF_HMAC_SHA1"},
{PRF_HMAC_TIGER, "PRF_HMAC_TIGER"},
{PRF_AES128_CBC, "PRF_AES128_CBC"},
{MAPPING_END, NULL}
};
/*
* Described in header.
*/
prf_t *prf_create(pseudo_random_function_t pseudo_random_function)
{
switch (pseudo_random_function)
{
case PRF_HMAC_SHA1:
{
return (prf_t*)hmac_prf_create(HASH_SHA1);
}
case PRF_HMAC_MD5:
{
return (prf_t*)hmac_prf_create(HASH_MD5);
}
case PRF_HMAC_TIGER:
case PRF_AES128_CBC:
default:
return NULL;
}
}
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